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#93348 - 07/08/13 06:29 PM pre amp for 7125 amp
robert555 Deputy Gunslinger Registered: 07/08/13 Posts: 3	Will a marantz 7701 preamp work with a 7125 amp so the amp will deliver full power? I understand you have to factor output and input impedance's, voltage gain etc and I am not an engineer. Help. Thanks.
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#93350 - 07/08/13 10:10 PM Re: pre amp for 7125 amp [Re: robert555]
XenonMan Desperado Registered: 04/08/08 Posts: 2676 Loc: Columbus,North Carolina	The 7125 requires 1 volt input to get full rated output. I could not find an output spec on the AV-7701 but the output on the AV-7005 offered by Outlaw is 1.2 volts. The AV-7701 may be different but I doubt if it is less than 1 volt as that is actually pretty low. _________________________ Music system Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD APC H15 Power Conditioner TV System Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv Home Theater System Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv Harmony ONE Blue Jeans and Monoprice interconnects APC H15 Power Conditioner
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#93351 - 07/08/13 10:32 PM Re: pre amp for 7125 amp [Re: robert555]
EEman Desperado Registered: 11/11/09 Posts: 514 Loc: Canton, MI	The AV7701 also has 1.2 volt unbalanced pre-outs. Here's the spec sheet: AV7701 Specs Info is on the second page. _________________________ 975/7075/SMS-1 Aperion Verus Grand Towers & Bookshelves, Verus Forte Center, Infinity Surrounds, Ultra-X12 Oppo BDP-203, XBOX360, Xbox One LG 65" OLED RR2150 w/Klipsch SCR-2
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#93359 - 07/09/13 05:09 PM Re: pre amp for 7125 amp [Re: robert555]
XenonMan Desperado Registered: 04/08/08 Posts: 2676 Loc: Columbus,North Carolina	So the answer is yes the 7125 will acieve full rated output with the AV-7701. _________________________ Music system Model 990/7500/Magnepan 1.6 QRs/Technics SL1200 MK2/Aperion S-12 Subwoofer/OWA3/Sony NS75H DVD APC H15 Power Conditioner TV System Large Advent Loudspeakers/ Polk center/Monoprice surrounds/Panasonic Viera 42 inch/Onkyo HT-RC260/Sony BDP S590/Directv Home Theater System Onkyo PR-SC886/Outlaw 7125 Klipsch RF-82 L/R,RC-62 center, RB-35 SR/SL, BENQ HT1075, Outlaw LFM1-EX/OPPO BDP-83/Directv Harmony ONE Blue Jeans and Monoprice interconnects APC H15 Power Conditioner
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#93754 - 12/14/13 12:58 PM Re: pre amp for 7125 amp [Re: robert555]
elwaylite Gunslinger Registered: 09/23/12 Posts: 33	Just an FYI, I am going to be using a SR6007 AVR for my pre pro with a 7125 and its specs are almost identical to the 7701 analog section specs, including the 1.2v rated output. The only difference I could find on paper is the pre pro analog section SN ratio is 105db, where the AVR's SN ratio for the analogs is 100db. Im guessing the 1.2v rated output on the analog section is standard on the Marantz units.
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#93758 - 12/15/13 06:18 PM Re: pre amp for 7125 amp [Re: robert555]
renov8r Desperado Registered: 11/13/02 Posts: 336 Loc: Illinois	The 7701 has XLR outputs and since it lacks internal power amps runs significantly cooler but they do share core DSP technology -- http://us.marantz.com/us/Products/Pages/ProductDetails.aspx?CatId=avreceivers&ProductId=SR6007 vs http://us.marantz.com/us/Products/Pages/...roductId=AV7701
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#93764 - 12/16/13 06:32 PM Re: pre amp for 7125 amp [Re: renov8r]
elwaylite Gunslinger Registered: 09/23/12 Posts: 33	I have the SC5509 on my list for next year, but itll probably be May June before that happens. Edited by elwaylite (12/16/13 06:33 PM)
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